Husqvarna 525RX Le manuel du propriétaire

Catégorie
Coupe-herbe
Taper
Le manuel du propriétaire

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525RX 525RXT 525RK
Oper
ator’s manual
Manuel d’utilisation
Manual de instrucciones
Please r
ead the operator’s manual carefully and make sure you understand the instructions before using the machine.
Lire attentivement et bien assimiler le manuel d’utilisation avant d’utiliser la machine.
Lea detenidamente el manual de instrucciones y asegúrese de entender su contenido antes de utilizar la máquina.
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KEY
T
O SYMBOLS
2
English
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Symbols
W
ARNING! Clearing saws,
brushcutters and trimmers can be
dangerous! Careless or incorrect use
can result in serious or fatal injury to
the operator or others.
Please read the operator’s manual
carefully and make sure you
understand the instructions before
using the machine.
Always wear:
Wear a protective helmet where
there is a risk of falling objects
Approved hearing protection
Approved eye protection
Max. speed of output shaft, rpm
Watch out for thrown objects and
ricochets.
The operator of the machine must
ensure, while working, that no
persons or animals come closer than
15 meters (50 ft.).
Machines fitted with saw blades or
grass blades can be thrown violently
to the side when the blade comes
into contact with a fixed object. The
blade is capable of amputating an
arm or leg. Always keep people and
animals at least 15 meters from the machine.
Arrows which show limits for handle
positioning.
Always wear approved protective
gloves.
Wear sturdy, non-slip boots.
Only use non-metallic, flexible
cutting attachments, i.e. trimmer
heads with trimmer cord.
Air purge
Other symbols/decals on the mac
hine refer to
special certification requirements for certain
markets.
The engine is s
witched off by moving
the stop switch to the stop position.
CAUTION!
The stop switch
automatically returns to the start
position. In order to prevent
unintentional starting, the spark plug
cap must be removed from the spark plug when
assembling, checking and/or performing maintenance.
Always wear approved protective
gloves.
Regular cleaning is required.
Visual check.
Approved eye protection must always
be used.
5
0
FT
15
m
50FT
15 m
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
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CONTENTS
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Contents
Note the f
ollowing before
starting:
Please read the oper
ator’s manual carefully.
Maintenance, replacement, or repair of the emission
control devices and system may be performed by any
nonroad engine repair establishment or individual.
The Emissions Compliance Period referred to on the
Emission Compliance label indicates the number of
operating hours for which the engine has been shown to
meet Federal and California emissions requirements.
KEY
TO SYMBOLS
Symbols
................................................................ 2
CONTENTS
Contents
............................................................... 3
Note the following before starting: ........................ 3
INTR
ODUCTION
Dear customer!
..................................................... 4
WHA
T IS WHAT?
What is what on the br
ush cutter? ........................ 5
GENERAL SAFETY PRECA
UTIONS
Impor
tant .............................................................. 6
Personal protective equipment ............................. 6
Machine
s safety equipment ................................. 7
Cutting equipment ................................................ 10
ASSEMBL
Y
Fitting the handlebar
............................................. 12
Assembling and dismantling the two-piece shaft . 12
Assembling the cutting equipment ....................... 13
Fitting a blade guard, grass blade and grass cutter 13
Fitting the blade guard and saw blade .................. 14
Fitting other guards and cutting attachments ....... 14
Adjusting the harness and brush cutter ................ 15
Standard harness ................................................. 15
FUEL HANDLING
Fuel saf
ety ............................................................ 16
Fuel ...................................................................... 16
Fueling .................................................................. 17
ST
ARTING AND STOPPING
Chec
k before starting ........................................... 18
Starting and stopping ........................................... 18
W
ORKING TECHNIQUES
Gener
al working instructions ................................ 20
MAINTENANCE
Carb
uretor ............................................................ 24
Muffler .................................................................. 24
Cooling system ..................................................... 25
Spark plug ............................................................ 25
Air filter ................................................................. 25
Maintenance schedule ......................................... 27
TECHNICAL D
ATA
T
echnical data ...................................................... 28
FEDERAL AND CALIFORNIA EMISSIONS
CONTROL WARRANTY STATEMENT
Y
OUR WARRANTY RIGHTS AND OBLIGATIONS 30
!
W
ARNING! Long-term exposure to noise
can result in permanent hearing
impairment. So always use approved
hearing protection.
!
W
ARNING! Under no circumstances may
the design of the machine be modified
without the permission of the
manufacturer. Always use genuine
accessories. Non-authorized
modifications and/or accessories can
result in serious personal injury or the
death of the operator or others.
Your warranty may not cover damage or
liability caused by the use of non-
authorized accessories or replacement
parts.
!
W
ARNING! A clearing saw, brushcutter
or trimmer can be dangerous if used
incorrectly or carelessly, and can cause
serious or fatal injury to the operator or
others. It is extremely important that you
read and understand the contents of this
operator’s manual.
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4
English
INTR
ODUCTION
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Dear customer!
Cong
ratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689,
when the Swedish King Karl XI ordered the construction of a factory on the banks of the Huskvarna River, for production
of muskets. The location was logical, since water power was harnessed from the Huskvarna River to create the water-
powered plant. During over 300 years of continuous operation, the Husqvarna factory has produced a lot of different
products, from wood stoves to modern kitchen appliances, sewing machines, bicycles, motorcycles etc. In 1956, the first
motor driven lawn mowers appeared, followed by chain saws in 1959, and it is within this area Husqvarna is working
today.
Today Husqvarna is one of the leading manufacturers in the world of forest and garden products, with quality as our
highest priority. We develop, manufacture and market high quality motor driven products for forestry and gardening as
well as for building and construction industry.
Your purchase gives you access to professional help with repairs and service whenever this may be necessary. If the
retailer who sells your machine is not one of our authorized dealers, ask for the address of your nearest servicing dealer.
It is our wish that you will be satisfied with your product and that it will be your companion for a long time. Think of this
operator
s manual as a valuable document. By following its
content (using, service, maintenance etc) the life span and
the second-hand value of the machine can be extended. If you ever lend or sell this machine, make sure that the
borrower or buyer gets the operator
s manual, so they will also know how to properly maintain and use it.
Thank you for using a Husqvarna product.
Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and
appearance of products without prior notice.
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English
5
WHA
T IS
WHA
T?
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What is what on the brush cutter?
24
26
23
28
18
19
20
1
25
21
4
9
7
30
8
5
3
1
2
4
14
10
17
6
16
15
12
13
31
11
22
RK
29
27
32
RX
10
1
Blade
2 Grease filler cap, bevel gear
3 Bevel gear
4 Cutting attachment guard
5 Shaft
6 Handlebar
7 Throttle trigger
8 Stop switch
9 Throttle trigger lockout
10 Suspension
11 Cylinder cover
12 Starter handle
13 Fuel tank
14 Choke control
15 Air purge
16 Air filter cover
17 Handle adjustment
18 Locking nut
19 Support flange
20 Support cup
21 Drive disc
22 Trimmer head
23 Socket spanner
24 Operator’s manual
25 Transport guard
26 Locking pin
27 Harness
28 Shaft coupling (525RK)
29 Start throttle button
30 Adjusting screw for throttle cable
31 Spark plug cap and spark plug
32 Allen key
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GENERAL SAFETY PRECA
UTIONS
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Impor
tant
Personal protective equipment
HELMET
W
ear a protective helmet where there is a risk of falling
objects
HEARING PROTECTION
Wear hearing protection that provides adequate noise
reduction.
EYE PROTECTION
Always wear approved eye protection. If you use a visor
then you must also wear approved protective goggles.
Approved protective goggles must comply with standard
ANSI Z87.1 in the USA or EN 166 in EU countries.
IMPORTANT!
The machine is only designed for trimming grass, grass
clearing and/or forestry clearing.
National or local regulations may regulate the use.
Comply to given regulations.
The only accessories you can operate with this engine
unit are the cutting attachments we recommend in the
chapter on Technical data.
Never use the machine if you are tired, if you are ill, if
you have consumed alcohol, or if you are taking other
drugs or medication that can affect your vision,
judgement or co-ordination.
Wear personal protective equipment. See instructions
under the heading ”Personal protective equipment”.
Never use a machine that has been modified in any way
from its original specification.
Never use a machine that is faulty. Carry out the safety
checks, maintenance and service instructions
described in this manual. Some maintenance and
service measures must be carried out by trained and
qualified specialists. See instructions under the heading
Maintenance.
All covers, guards and handles must be fitted before
starting. Ensure that the spark plug cap and ignition
lead are undamaged to avoid the risk of electric shock.
The machine operator must ensure that no people or
animals come closer than 15 meters while working.
When several operators are working in the same area
the safety distance should be at least twice the tree
height and no less than 15 meters.
Do an overall inspection of the machine before use, see
maintenance schedule.
!
W
ARNING! This machine produces an
electromagnetic field during operation.
This field may under some
circumstances interfere with active or
passive medical implants. To reduce the
risk of serious or fatal injury, we
recommend persons with medical
implants consult their physician and the
medical implant manufacturer before
operating this machine.
!
W
ARNING! Running an engine in a
confined or badly ventilated area can
result in death due to asphyxiation or
carbon monoxide poisoning.
!
W
ARNING! Never allow children to use or
be in the vicinity of the machine. As the
machine is equipped with a spring-
loaded stop switch and can be started by
low speed and force on the starter
handle, even small children under some
circumstances can produce the force
necessary to start the machine. This can
mean a risk of serious personal injury.
Therefore remove the spark plug cap
when the machine is not under close
supervision.
IMPOR
TANT!
A clearing saw, brushcutter or trimmer can be
dangerous if used incorrectly or carelessly, and can
cause serious or fatal injury to the operator or others. It
is extremely important that you read and understand the
contents of this operator’s manual.
You must use approved personal protective equipment
whenever you use the machine. Personal protective
equipment cannot eliminate the risk of injury but it will
reduce the degree of injury if an accident does happen.
Ask your dealer for help in choosing the right equipment.
!
W
ARNING! Listen out for warning signals
or shouts when you are wearing hearing
protection. Always remove your hearing
protection as soon as the engine stops.
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GENERAL SAFETY PRECA
UTIONS
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GLO
VES
Gloves should be worn when necessary, e.g., when fitting
cutting attachments.
BOOTS
Wear boots with steel toe-caps and non-slip sole.
CLOTHING
Wear clothes made of a strong fabric and avoid loose
clothing that can catch on twigs and branches. Always
wear heavy, long pants. Do not wear jewellery, shorts
sandals or go barefoot. Secure hair so it is above shoulder
level.
FIRST AID KIT
Always have a first aid kit nearby.
Mac
hine
s safety equipment
This section descr
ibes the machine
s safety equipment,
its purpose, and how checks and maintenance should be
carried out to ensure that it operates correctly. See the
”What is what?” section to locate where this equipment is
positioned on your machine.
The life span of the machine can be reduced and the risk
of accidents can increase if machine maintenance is not
carried out correctly and if service and/or repairs are not
carried out professionally. If you need further information
please contact your nearest servicing dealer.
Thr
ottle trigger lockout
The throttle lockout is designed to prevent accidental
operation of the throttle control. When you press the lock
(A) (i.e. when you grasp the handle) it releases the throttle
control (B). When you release the handle the throttle
control and the throttle lockout both move back to their
original positions. This movement is controlled by two
independent return springs. This arrangement means that
the throttle control is automatically locked at the idle
setting.
Make sure the throttle control is locked at the idle setting
when the throttle lockout is released.
Press the throttle lockout and make sure it returns to its
original position when you release it.
IMPORTANT!
All servicing and repair work on the machine requires
special training. This is especially true of the machine
s
safety equipment. If your machine fails any of the
checks described below you must contact your service
agent. When you buy any of our products we guarantee
the availability of professional repairs and service. If the
retailer who sells your machine is not a servicing dealer,
ask him for the address of your nearest service agent.
!
WARNING! Never use a machine with
faulty safety equipment. The machine’s
safety equipment must be checked and
maintained as described in this section.
If your machine fails any of these checks
contact your service agent to get it
repaired.
A
B
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GENERAL SAFETY PRECAUTIONS
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Check that the throttle trigger and throttle lockout move
freely and that the return springs work properly.
See instructions under the heading Start. Start the
machine and apply full throttle. Release the throttle and
check that the cutting attachment stops and remains at a
standstill. If the cutting attachment rotates with the throttle
in the idle position then the carburettor idle setting must
be checked. See instructions under the heading
Maintenance.
Stop switch
Use the stop switch to switch off the engine.
Start the engine and make sure the engine stops when
you move the stop switch to the stop setting.
Cutting attachment guard
This guard is intended to prevent loose objects from being
thrown towards the operator. The guard also protects the
operator from accidental contact with the cutting
attachment.
Check that the guard is undamaged and not cracked.
Replace the guard if it has been exposed to impact or is
cracked.
Always use the recommended guard for the cutting
attachment you are using. See chapter on Technical data.
Vibration damping system
Your machine is equipped with a vibration damping
system that is designed to reduce vibration and make
operation easier.
Use of incorrectly wound cord or an incorrect cutting
attachment increases the level of vibration. See
instructions under the heading Cutting equipment.
The machines vibration damping system reduces the
transfer of vibration between the engine unit/cutting
equipment and the machine
s handle unit.
Regularly check the vibration damping units for cracks or
deformation. Check that the vibration damping element is
undamaged and securely attached.
!
WARNING! Never use a cutting
attachment without an approved guard.
See the chapter on Technical data. If an
incorrect or faulty guard is fitted this can
cause serious personal injury.
!
WARNING! Overexposure to vibration
can lead to circulatory damage or nerve
damage in people who have impaired
circulation. Contact your doctor if you
experience symptoms of overexposure
to vibration. These symptoms include
numbness, loss of feeling, tingling,
pricking, pain, loss of strength, changes
in skin colour or condition. These
symptoms normally appear in the
fingers, hands or wrists.
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Muffler
The muffler is designed to keep noise levels to a minimum
and to direct exhaust fumes away from the user. A muffler
fitted with a catalytic converter is also designed to reduce
harmful exhaust gases.
In countries that have a warm and dry climate there is a
significant risk of fire. We therefore fit certain mufflers with
a spark arrestor screen. Check whether the muffler on
your machine is fitted with this kind of screen.
For mufflers it is very important that you follow the
instructions on checking, maintaining and servicing your
machine.
Never use a machine that has a faulty muffler.
Regularly check that the muffler is securely attached to
the machine.
If the muffler on your machine is fitted with a spark
arrestor screen this must be cleaned regularly. A blocked
screen will cause the engine to overheat and may lead to
serious damage.
NOTE!
Make sure that the spark arrestor is screwed in place
correctly.
!
WARNING! Mufflers fitted with catalytic
converters get very hot during use and
remain so for some time after stopping.
This also applies at idle speed. Contact
can result in burns to the skin.
Remember the risk of fire!
!
WARNING! The inside of the muffler
contain chemicals that may be
carcinogenic. Avoid contact with these
elements in the event of a damaged
muffler.
!
WARNING! Bear in mind that:
The exhaust fumes from the engine are
hot and may contain sparks which can
start a fire. Never start the machine
indoors or near combustible material!
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GENERAL SAFETY PRECAUTIONS
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Cutting equipment
This section describes how to choose and maintain your
cutting equipment in order to:
Reduce the risk of blade thrust.
Obtain maximum cutting performance.
Extend the life of cutting equipment.
Cutting equipment
Saw blades are intended for cutting fibrous types of wood.
Grass blades and grass knifes are intended for cutting
coarse grass.
A trimmer head is intended for trimming grass.
General rules
Only use cutting attachments with the guards we
recommend! See the chapter on Technical data.
Keep the teeth of the blade correctly sharpened! Follow
our instructions and use the recommended file gauge. An
incorrectly sharpened or damaged blade increases the
risk of accidents.
Keep the correct setting on the saw blade! Follow our
instructions and use the recommended setting tool. An
incorrectly set saw blade increases the risk of jamming
and blade thrust, and damage to the saw blade.
Check the cutting attachment for damage or cracks. A
damaged cutting attachment should always be replaced.
Sharpening grass knifes and grass
blades
See the cutting attachment packaging for correct
sharpening instructions. Sharpen blades and cutters
using a single-cut flat file.
IMPORTANT!
Only use cutting attachments with the guards we
recommend! See the chapter on Technical data.
Refer to the instructions for the cutting attachment to
check the correct way to load the cord and the correct
cord diameter.
Keep the teeth of the blade correctly sharpened! Follow
our recommendations. Also refer to the instructions on
the blade packaging.
Maintain the correct blade setting! Follow our
instructions and use the recommended file gauge.
!
WARNING! Always stop the engine
before doing any work on the cutting
attachment. This continues to rotate even
after the throttle has been released.
Ensure that the cutting attachment has
stopped completely and disconnect the
spark plug cap before you start to work
on it.
!
WARNING! Using an incorrect cutting
attachment or an incorrectly sharpened
blade increases the risk of blade thrust.
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Sharpen all edges equally to maintain the balance of
the blade.
Sharpening the saw blade
See the cutting attachment packaging for correct
sharpening instructions.
A correctly sharpened blade is essential for working
efficiently and to avoid unnecessary wear to the blade and
brush cutter.
Make sure that the blade is well supported when you
file it. Use a 5.5 mm round file with a file holder.
The filing angle is 15°. File alternate teeth to the right
and those in between to the left. If the blade has been
heavily pitted by stones it may be necessary to dress
the top edges of the teeth with a flat file, in exceptional
cases. If so, this should be done before filing with a
round file. The top edges must be filed down by the
same amount for all the teeth.
Adjust the blade setting. This should be 1 mm.
Trimmer head
Only use the recommended trimmer heads and
trimmer cords. These have been tested by the
manufacturer to suit a particular engine size. This is
especially important when a fully automatic trimmer
head is used. Only use the recommended cutting
attachment. See the chapter on Technical data.
Smaller machines generally require small trimmer
heads and vice versa. This is because when clearing
using a cord the engine must throw out the cord
radially from the trimmer head and overcome the
resistance of the grass being cleared.
The length of the cord is also important. A longer cord
requires greater engine power than a shorter cord of
the same diameter.
Make sure that the cutter on the trimmer guard is
intact. This is used to cut the cord to the correct length.
To increase the life of the cord it can be soaked in
water for a couple of days before use. This will make
the cord tougher so that it lasts longer.
!
WARNING! Always discard a blade that is
bent, twisted, cracked, broken or
damaged in any other way. Never attempt
to straighten a twisted blade so that it
can be reused. Only use original blades
of the specified type.
IMPORTANT!
Always ensure the trimmer cord is wound tightly and
evenly around the drum, otherwise the machine will
generate harmful vibration.
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ASSEMBLY
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Fitting the handlebar
Remove the screw at the rear of the throttle handle.
Slide the throttle handle onto the right side of the
handlebar, (see diagram).
Align the screw hole in the throttle handle with the hole
in the handlebar.
Refit the screw in the hole in the rear of the throttle
handle.
Screw the screw through the handle and handlebar.
Tighten it.
Loosen the screws on the handle bar bracket.
Position the handle bar bracket as shown.
Tighten the screws.
Unscrew the knob from the handlebar mounting.
Position the handlebar as shown. Fit the mounting
components and tighten the knob lightly.
Put on the harness and hang the machine from the
support hook. Now make a final adjustment so that
the machine is in a comfortable working position when
it hangs from the harness. Tighten the knob.
Assembling and dismantling the
two-piece shaft (525RK)
Assembly
Loosen the coupling by turning the knob counter-
clockwise.
Align the tab of the attachment (A) with the arrow on
the coupling (B).
Push the attachment into the coupling until the
attachment snaps into place.
Before using the unit, tighten the knob securely.
A
B
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Dismantling
Loosen the coupling by turning the knob (at least 3
times).
Push and hold the button (C). While securely holding
the engine end, pull the attachment straight out of the
coupling.
Assembling the cutting
equipment
Fitting a blade guard, grass blade
and grass cutter
Hook the blade guard/combination guard (A) onto the
fitting on the shaft and secure with the bolt.
CAUTION! Use the recommended blade guard. See
the Technical data section.
Fit the drive disc (B) on the output shaft.
Turn the output shaft until one of the holes in the drive
disc aligns with the corresponding hole in the gear
housing.
Insert the locking pin (C) in the hole to lock the shaft.
Place the blade (D), support cup (E) and support
flange (F) on the output shaft.
Fit the nut (G). The nut must be tightened to a torque
of 35-50 Nm (26-36 ft-lb). Use the spanner in the tool
kit. Hold the shaft of the spanner as close to the blade
guard as possible. To tighten the nut, turn the spanner
in the opposite direction to the direction of rotation
(Caution! left-hand thread).
!
WARNING!
When fitting the cutting attachment it is
extremely important that the raised
section on the drive disc/support flange
engages correctly in the centre hole of
the cutting attachment. If the cutting
attachment is fitted incorrectly it can
result in serious and/or fatal personal
injury.
!
!
WARNING! Never use a cutting
attachment without an approved guard.
See the chapter on Technical data. If an
incorrect or faulty guard is fitted this can
cause serious personal injury.
IMPORTANT! If a saw blade or grass blade are to be
used the machine must be equipped with the correct
handlebar, blade guard and harness.
C
G
F
D
B
C
A
E
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ASSEMBLY
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Fitting the blade guard and saw
blade
Remove the mounting plate (H). Fit the adapter (I) and
bracket (J) with the two screws (K) as shown. Fit the
blade guard (A) to the adapter using the 4 screws (L)
as shown.
CAUTION! Use the recommended blade guard. See
the Technical data section.
Fit the drive disc (B) on the output shaft.
Turn the output shaft until one of the holes in the drive
disc aligns with the corresponding hole in the gear
housing.
Insert the locking pin (C) in the hole to lock the shaft.
Place the blade (D) and support flange (F) on the
output shaft.
Fit the nut (G). The nut must be tightened to a torque
of 35-50 Nm (26-36 ft-lb). Use the spanner in the tool
kit. Hold the shaft of the spanner as close to the blade
guard as possible. To tighten the nut, turn the spanner
in the opposite direction to the direction of rotation
(Caution! left-hand thread).
When loosening and tightening the saw blade nut,
there is a risk of injury from the teeth of the saw blade.
You should therefore always ensure that your hand is
shielded by the blade guard when doing this. Always
use a socket spanner with a shaft that is long enough
to allow this. The arrow in the diagram shows the area
where you should operate the socket spanner when
loosening or tightening the nut.
Fitting other guards and cutting
attachments
Fit the trimmer guard/combination guard (A) intended
for use with the trimmer head/plastic blades. Hook the
guard onto the fitting on the shaft and secure it with
the bolt (L).
Fit the drive disc (B) on the output shaft.
Turn the output shaft until one of the holes in the drive
disc aligns with the corresponding hole in the gear
housing.
Insert the locking pin (C) in the hole to lock the shaft.
A
L
I
J
K
H
F
D
B
C
G
L
A
H
C
B
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Screw on the trimmer head/plastic blades (H) in the
opposite direction to the direction of rotation.
To dismantle, follow the instructions in the reverse
order.
Adjusting the harness and brush
cutter
Standard harness
Quick release
At the front is an easily accessible, quick release. Use this
if the engine catches fire or in any other emergency
situation that requires you to free yourself from the
machine and harness.
Spreading the load on your shoulders
A well-adjusted harness and machine makes work much
easier. Adjust the harness for the best working position.
Tension the side straps so that the weight is evenly
distributed across both shoulders.
Correct height
Adjust the shoulder strap so that the cutting attachment is
parallel to the ground.
Correct balance
Let the cutting attachment rest lightly on the ground. If you
use a saw blade it should balance about 10 cm above the
ground to prevent contact with stones and the like. Adjust
the position of the suspension ring to balance the brush
cutter correctly.
!
WARNING! When using a brush cutter it
must always be hooked securely to the
harness. Otherwise you will be unable to
control the brush cutter safely and this
can result in injury to yourself or others.
Never use a harness with a defective
quick release.
H
H
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FUEL HANDLING
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1154807-49 rev.no 1 2015-06-15
Fuel safety
Never start the machine:
1 If you have spilled fuel on it. Wipe off the spillage and
allow remaining fuel to evaporate.
2 If you have spilled fuel on yourself or your clothes,
change your clothes. Wash any part of your body that
has come in contact with fuel. Use soap and water.
3 If the machine is leaking fuel. Check regularly for
leaks from the fuel cap and fuel lines. In the event of
leakage, contact your service agent.
Transport and storage
Store and transport the machine and fuel so that there
is no risk of any leakage or fumes coming into contact
with sparks or open flames, for example, from
electrical machinery, electric motors, electrical relays/
switches or boilers.
When storing and transporting fuel always use
approved containers intended for this purpose.
When storing the machine for long periods the fuel
tank must be emptied. Contact your local gas station
to find out where to dispose of excess fuel. Drain the
tank into the appropriate containers and in a well
ventilated area.
Ensure the machine is cleaned and that a complete
service is carried out before long-term storage.
The transport guard must always be fitted to the
cutting attachment when the machine is being
transported or in storage.
Secure the machine during transport.
In order to prevent unintentional starting of the engine,
the spark plug cap must always be removed during
long-term storage, if the machine is not under close
supervision and when performing all service
measures.
Allow the hedge trimmer to cool down after use before
putting it away for storage.
Fuel
CAUTION! The machine is equipped with a two-stroke
engine and must always be run using a mixture of
gasoline and two-stroke engine oil. It is important to
accurately measure the amount of oil to be mixed to
ensure that the correct mixture is obtained. When mixing
small amounts of fuel, even small inaccuracies can
drastically affect the ratio of the mixture.
Gasoline
CAUTION! Always use a quality gasoline/oil mixture with
an octane rating of at least 87 octane ((RON+MON)/2). If
your machine is equipped with a catalytic converter (see
chapter on Technical data) always use a good quality
unleaded gasoline/oil mixture. Leaded gasoline will
destroy the catalytic converter.
Use low-emission gasoline, also known as alkylate
gasoline, if it is available.
Ethanol blended fuel, E10 may be used (max 10%
ethanol blend). Using ethanol blends higher than E10 will
create lean running condition which can cause engine
damage.
This engine is certified to operate on unleaded
gasoline.
The lowest recommended octane grade is 87
((RON+MON)/2). If you run the engine on a lower
octane grade than 87 so-called knocking can occur.
This gives rise to a high engine temperature and
increased bearing load, which can result in serious
engine damage.
When working at continuous high revs a higher octane
rating is recommended.
Two-stroke oil
For best results and performance use HUSQVARNA
two-stroke engine oil, which is specially formulated for
our air-cooled two stroke-engines.
Never use two-stroke oil intended for water-cooled
engines, sometimes referred to as outboard oil (rated
TCW).
Never use oil intended for four-stroke engines.
A poor oil quality and/or too high oil/fuel ratio may
jeopardise function and decrease the life time of the
catalytic converters.
Mixing ratio
50:1 (2%) with HUSQVARNA two-stroke oil.
!
WARNING! Take care when handling fuel.
Bear in mind the risk of fire, explosion
and inhaling fumes.
!
WARNING! Fuel and fuel fumes are
highly inflammable and can cause
serious injury when inhaled or allowed to
come in contact with the skin. For this
reason observe caution when handling
fuel and make sure there is adequate
ventilation.
!
WARNING! Always ensure there is
adequate ventilation when handling fuel.
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FUEL HANDLING
English 17
1154807-49 rev.no 1 2015-06-15
Mixing
Always mix the gasoline and oil in a clean container
intended for fuel.
Always start by filling half the amount of the gasoline
to be used. Then add the entire amount of oil. Mix
(shake) the fuel mixture. Add the remaining amount of
gasoline.
Mix (shake) the fuel mixture thoroughly before filling
the machine’s fuel tank.
Do not mix more than one month’s supply of fuel at a
time.
If the machine is not used for some time the fuel tank
should be emptied and cleaned.
Fueling
Always use a fuel container with an anti-spill valve.
If you have spilled fuel on it. Wipe off the spillage and
allow remaining fuel to evaporate.
Clean the area around the fuel cap. Contamination in
the tank can cause operating problems.
Ensure that the fuel is well mixed by shaking the
container before filling the tank.
Gasoline, litre Two-stroke oil, litre
2% (50:1)
5 0,10
10 0,20
15 0,30
20 0,40
US gallon US fl. oz.
1 2 1/2
2 1/2 6 1/2
5 12 7/8
!
WARNING! The catalytic converter
muffler gets very hot during and after
use. This also applies during idling. Be
aware of the fire hazard, especially when
working near flammable substances and/
or vapors.
!
WARNING! Taking the following
precautions, will lessen the risk of fire:
Mix and pour fuel outdoors, where there
are no sparks or flames.
Do not smoke or place hot objects near
fuel.
Always shut off the engine before
refueling.
Always stop the engine and let it cool for
a few minutes before refueling. Mix and
pour fuel outdoors, where there are no
sparks or flames. Refuel in a well
ventilated area. Never fuel the machine
indoors.
When refuelling, open the fuel cap slowly
so that any excess pressure is released
gently.
Tighten the fuel cap carefully after
refueling.
Always move the machine away from the
refueling area and source before
starting.
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STARTING AND STOPPING
18 – English
1154807-49 rev.no 1 2015-06-15
Check before starting
Check the blade to ensure that no cracks have formed at
the bottom of the teeth or by the centre hole. The most
common reason why cracks are formed is that sharp
corners have been formed at the bottom of the teeth while
sharpening or that the blade has been used with dull
teeth. Discard a blade if cracks are found.
Check that the support flange is not cracked due to
fatigue or due to being tightened too much. Discard
the support flange if it is cracked.
Ensure the locking nut has not lost its captive force. The
nut lock should have a locking force of at least 1.5 Nm.
The tightening torque of the locking nut should be 35-50
Nm.
Check that the trimmer head and trimmer guard are
not damaged or cracked. Replace the trimmer head or
trimmer guard if they have been exposed to impact or
are cracked.
Never use the machine without a guard nor with a
defective guard.
All covers must be correctly fitted and undamaged
before you start the machine.
Starting and stopping
Starting
Cold engine
(1) Air purge: Press the air purge repeatedly until fuel
begins to fill the bulb. The bulb need not be completely
filled.
(2) Choke: Set the choke control in the choke position.
!
WARNING! The complete clutch cover
and shaft must be fitted before the
machine is started, otherwise the clutch
can come loose and cause personal
injury.
Always move the machine away from the
refueling area and source before
starting. Place the machine on a flat
surface. Ensure the cutting attachment
cannot come into contact with any
object.
Make sure no unauthorised persons are
in the working area, otherwise there is a
risk of serious personal injury. The safety
distance is 15 meters (50 ft.).
!
WARNING! When the engine is started
with the choke in either the choke or
start throttle positions the cutting
attachment will start to rotate
immediately.
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STARTING AND STOPPING
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1154807-49 rev.no 1 2015-06-15
Hold the body of the machine on the ground using your
left hand (CAUTION! Not with your foot!).
(3) Grip the starter handle, slowly pull out the cord with
your right hand until you feel some resistance (the starter
pawls grip), now quickly and powerfully pull the cord.
Never wrap the starter cord around your hand
Repeat pulling the cord until engine attemps to start (or
maximum 5 pulls).
(4) Move choke control down to run position.
(5) Pull the cord until engine starts and gradually operate
throttle trigger for increasing engine speed to operate
speed.
Warm engine
(1) Air purge: Press the air purge repeatedly until fuel
begins to fill the bulb. The bulb need not be completely
filled.
(5) Pull the cord until engine starts and gradually operate
throttle trigger for increasing engine speed to operate
speed.
CAUTION! Do not pull the starter cord all the way out and
do not let go of the starter handle when the cord is fully
extended. This can damage the machine.
CAUTION! Do not put any part of your body in marked
area. Contact can result in burns to the skin, or electrical
shock if the spark plug cap has been damaged. Always
use gloves. Do not use a machine with damaged spark
plug cap.
Stopping
The engine is stopped by pushing the stop switch to the
stop position.
CAUTION! The stop switch automatically returns to the
start position. In order to prevent unintentional starting,
the spark plug cap must be removed from the spark plug
when assembling, checking and/or performing
maintenance.
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WORKING TECHNIQUES
20 – English
1154807-49 rev.no 1 2015-06-15
General working instructions
Basic safety rules
1 Look around you:
To ensure that people, animals or other things cannot
affect your control of the machine.
To ensure that people, animals, etc., do not come into
contact with the cutting attachment or loose objects
that are thrown out by the cutting attachment.
CAUTION! Do not use the machine unless you are
able to call for help in the event of an accident.
2 Inspect the working area. Remove all loose objects,
such as stones, broken glass, nails, steel wire, string,
etc. that could be thrown out or become wrapped
around the cutting attachment.
3 Do not use the machine in bad weather, such as
dense fog, heavy rain, strong wind, intense cold, etc.
Working in bad weather is tiring and often brings
added risks, such as icy ground, unpredictable felling
direction, etc.
4 Make sure you can move and stand safely. Check the
area around you for possible obstacles (roots, rocks,
branches, ditches, etc.) in case you have to move
suddenly. Take great care when working on sloping
ground.
5 Take great care when cutting a tree that is under
tension. A tree that is under tension may spring back
to its normal position before or after being cut. If you
position yourself incorrectly or make the cut in the
wrong place the tree may hit you or the machine and
cause you to lose control. Both situations can cause
serious personal injury.
6 Keep a good balance and a firm foothold. Do not
overreach. Keep proper footing and balance at all
times.
7 Always hold the machine with both hands. Hold the
machine on the right side of your body. Connect the
machine to the suspension ring on the harness Keep
all parts of your body away from the hot surfaces.
Keep all parts of your body away from the rotating
cutting attachment.
8 Keep the cutting attachment below waist level.
9 Switch off the engine before moving to another area.
Fit the transport guard before carrying or transporting
the equipment any distance.
10 Never put the machine down with the engine running
unless you have it in clear sight.
IMPORTANT!
This section describes the basic safety precautions for
working with brush cutters and trimmers.
If you encounter a situation where you are uncertain
how to proceed you should ask an expert. Contact your
dealer or your service workshop.
Avoid all usage which you consider to be beyond your
capability.
You must understand the difference between forestry
clearing, grass clearing and grass trimming before use.
!
WARNING! Neither the operator of the
machine nor anyone else may attempt to
remove the cut material while the engine
is running or the cutting equipment is
rotating, as this can result in serious
injury.
Stop the engine and cutting equipment
before you remove material that has
wound around the blade shaft as
otherwise there is a risk of injury. The
bevel gear can get hot during use and
may remain so for a while afterwards. You
could get burnt if you touch it.
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Husqvarna 525RX Le manuel du propriétaire

Catégorie
Coupe-herbe
Taper
Le manuel du propriétaire
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